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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Paul Walmsley , Palmer Dabbelt , Albert Ou , Michael Turquette , Stephen Boyd , linux-can@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org Subject: Re: (subset) [PATCH v2 0/7] MPFS clock fixes required for correct CAN clock modeling Date: Tue, 6 Feb 2024 14:27:31 +0000 Message-ID: <20240206-cloud-subduing-cb42cc496621@spud> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240122-catty-roast-d3625dbb02fe@spud> References: <20240122-catty-roast-d3625dbb02fe@spud> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" X-Developer-Signature: v=1; a=openpgp-sha256; l=960; i=conor.dooley@microchip.com; h=from:subject:message-id; bh=hnKnUQMm2IjOwpyCk+YzqyIAY3kVJ7l3mv8OoK5FHck=; b=owGbwMvMwCFWscWwfUFT0iXG02pJDKmHHC/9F6+WlmxxPu61ZmpR1NEDe7K/cHvbRwltUvp2b NtE53vMHaUsDGIcDLJiiiyJt/tapNb/cdnh3PMWZg4rE8gQBi5OAZiI92pGhl+uiQFJX799K4hb 8n9Vztpd6zgE2KMPBn5Zu7bg9rM1YUkM/x09FapepGZnvi+/ujzZXafzgkfXOXtvnajnIaZxG2Y eYgAA X-Developer-Key: i=conor.dooley@microchip.com; a=openpgp; fpr=F9ECA03CF54F12CD01F1655722E2C55B37CF380C Content-Transfer-Encoding: 8bit From: Conor Dooley On Mon, 22 Jan 2024 12:19:48 +0000, Conor Dooley wrote: > From: Conor Dooley > > While reviewing a CAN driver internally for MPFS [1], I realised > that the modeling of the MSSPLL such that only one of its outputs could > be used was not correct. The CAN controllers on MPFS take 2 input > clocks - one that is the bus clock, acquired from the main MSSPLL and > a second clock for the AHB interface to the result of the SoC. > Currently the binding for the CAN controllers and the represetnation > of the MSSPLL only allows for one of these clocks. > Modify the binding and devicetree to expect two clocks and rework the > main clock controller driver for MPFS such that it is capable of > providing multiple outputs from the MSSPLL. > > [...] And this one is applied to riscv-dt-for-next. I don't think sending this for the -rcs is needed as there's no impact until the CAN driver shows up. [7/7] riscv: dts: microchip: add missing CAN bus clocks https://git.kernel.org/conor/c/6c7353836a91 Thanks, Conor.